/*
 * Block device emulated in RAM
 *
 * Copyright (c) 2022, The littlefs authors.
 * Copyright (c) 2017, Arm Limited. All rights reserved.
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef LFS_FLASHBD_H
#define LFS_FLASHBD_H

#include "lfs.h"
#include "lfs_util.h"

#ifdef __cplusplus
extern "C"
{
#endif


// Block device specific tracing
#ifndef LFS_FLASHBD_TRACE
#ifdef LFS_FLASHBD_YES_TRACE
#define LFS_FLASHBD_TRACE(...) LFS_TRACE(__VA_ARGS__)
#else
#define LFS_FLASHBD_TRACE(...)
#endif
#endif

// Read a block
int lfs_flashbd_read(const struct lfs_config *cfg, lfs_block_t block,
        lfs_off_t off, void *buffer, lfs_size_t size);

// Program a block
//
// The block must have previously been erased.
int lfs_flashbd_prog(const struct lfs_config *cfg, lfs_block_t block,
        lfs_off_t off, const void *buffer, lfs_size_t size);

// Erase a block
//
// A block must be erased before being programmed. The
// state of an erased block is undefined.
int lfs_flashbd_erase(const struct lfs_config *cfg, lfs_block_t block);

// Sync the block device
int lfs_flashbd_sync(const struct lfs_config *cfg);


#ifdef __cplusplus
} /* extern "C" */
#endif

#endif
